Home / 64,075.04-88,400.10-40,193

Finding the Fourth Proportional to 64,075.04, 88,400.10 and 40,193

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Solution

The fourth proportional to 64,075.04, 88,400.10 and 40,193 is: 55,451.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,075.04 : 88,400.10 = 40,193 : x
  2. Step 2: Convert to fraction form
    64,075.04/88,400.10 = 40,193/x
  3. Step 3: Cross multiply
    64,075.04x = 88,400.10 × 40,193
  4. Step 4: Simplify right side
    64,075.04x = 3,553,065,219.30
  5. Step 5: Solve for x
    x = 3,553,065,219.30/64,075.04
  6. Step 6: Final answer
    x = 55,451.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.